#floodplain

• Alluvial — Coming from alluvium, formed by the gradual deposition of silt, sand, gravel, and organic debris brought by running waters; pertaining to alluvium, specific to floodplains or river deltas. In a pedological and structural sense, it describes a fertile soil type or a sedimentary terrain recently formed in river valleys through dynamic fluvial accumulation processes.
• Alluvial — Coming from alluvium, composed or formed by the gradual deposition of silt, sand, gravel, and organic debris transported by running waters; characteristic of alluvium. In a geomorphological and structural sense, it defines floodplains, deltas, or low land strips resulting from a long process of sedimentation and dynamic fluvial accumulation.